.header{
    text-align: center;
}
.f{

    right: 1000px;
    position: absolute;
}

.d{
    right: 400px;
    position: absolute;
}
.nav ul {
    display: flex;
   justify-content: center;
    padding: 10px 0;
}
.nav ul li {
    list-style: none;
    margin: 0 20px;
   color: black;
}
.nav ul li a{
    text-decoration: none;
}
.sou{
    position: absolute;
    right: 200px;
}
.picture{
text-align: center;
    float: left;
    margin: 5px;
}
.he{
    width: 1200px;
    border: 5px solid red;
    padding: 5px;
    margin: 5px;
}
.h2{
    float: right;
}
.say{
    background-color: salmon;
    text-align: center;
}
.sa0{
    background-color: cornflowerblue;
    text-align: center;
}
.ku{
position: absolute;
    left: 100px;
    width: 800px;
    height: 320px;
    border: 3px solid red;
    padding: 3px;
    margin: 3px;
}
body{
    width: 100%;
    min-width: 1200px;
}
